Keeping Our Surroundings Clean For Class 4 A. ANSWER THESE QUESTIONS. What happen to the waste we throw into neighbourhood bins? Give two reasons why we should stop using plastic bags. Write two things we can do to reduce waste. Name two diseases that mosquitoes spread. Give two reasons why it is not a good … Read more
Agriculture and Industry For Class 4 A. ANSWER THESE QUESTIONS. What is the difference between food crops and cash crops? What kind of soil and climate are good for growing rice? Name two states where rice is grown. What is a cottage industry? Give an example. Name two centres of the textile industry in India. … Read more
Forests and Wildlife For Class 4 A. ANSWER THESE QUESTIONS. On what does natural vegetation depend? What kinds of plants are found in mountain forests? Give reasons why forests are being cut away. Give three examples each of wild animals and birds found in India. Protecting forests is the first step we can take to … Read more
Natural Resources For Class 4 A. ANSWER THESE QUESTIONS. What is a natural resource? Give two example. What is the difference between renewable energy and non-renewable energy sources? How do we use river water? How does cutting down trees affect soil? Name four minerals. How was petroleum formed? Name three fuels we get from petroleum. … Read more
India’s Landforms For Class 4 A. ANSWER THESE QUESTIONS. What makes the northern plains so fertile? What is a delta? Name one delta. Give two reasons why there are many large cities in the northern plains. What landforms form the boundaries of the Deccan Plateau? How do the people of the coastal plains make a … Read more
Weather Weather is the state of the atmosphere at a particular place and time as regards heat, cloudiness, dryness, sunshine, cold, wind, rain, etc. The weather of a place can change very quickly. If yesterday was cold, today it may be very hot and sunny. If today the weather is sunny with a clear sky, … Read more
Maps and Globes for Class 4 Maps and globes are part of our everyday lives. They help us know our world in a better way. With the help of Maps and Globes we can go anywhere — to the top of the tallest mountain on earth or the bottom of the deepest ocean. In a … Read more
Objective of the chapter: Our Earth – Class 4 You will learn about: the solar system and the heavenly bodies why Earth is a special planet air, water and soil present on Earth Earth is a special planet in our solar system. It is the only planet known to have life. The earth has air, … Read more